/Engine/Plugins/Experimental/CharacterFXEditor/BaseCharacterFXEditor/Source/BaseCharacterFXEditor/Public/BaseCharacterFXEditorModeUILayer.h
Adds RegisterLayoutExtensions as a callback to the module corresponding toGetModuleName()
virtual void Initialize ( [FSubsystemCollectionBase](API\Runtime\Engine\Subsystems\FSubsystemCollectionBase) & Collection )